Genuine OEM Audi Wiring Harness For Starter, part number 420971224D. This essential wiring harness provides the electrical connections between the battery, starter motor, and alternator, enabling the engine to start and the electrical system to function. It is constructed with high-quality copper wiring and durable, heat-resistant insulation to ensure reliable electrical connections and proper current flow. Genuine OEM ensures the correct gauge wiring and connector types for safe and efficient operation.